# STC SA2091SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Appalachian Accessories, United States
- Description: Installation of Appalachian Acces' stainless steel brake discs, P/N 73-47.
- Status date: April 9, 1987
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/87AA2B0A973A614E85256CC20000001D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2091SO

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 185 Series ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
